/*
* Copyright (c) 2005, 2006, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @test
* @bug 6338064 6346249 6340951 6392177
* @summary Tree API: can't determine kind of operator
* @author Peter von der Ah\u00e9
* @compile TestOperators.java
* @compile -processor TestOperators -proc:only TestOperators.java
*/
import java.util.Set;
import javax.annotation.processing.*;
import javax.lang.model.element.*;
import javax.lang.model.util.*;
import static javax.tools.Diagnostic.Kind.*;
import com.sun.source.tree.*;
import com.sun.source.util.Trees;
import static com.sun.source.tree.Tree.Kind.*;
@interface TestMe {
Tree.Kind value();
}
@SupportedAnnotationTypes("TestMe")
public class TestOperators extends AbstractProcessor {
@TestMe(POSTFIX_INCREMENT)
public int test_POSTFIX_INCREMENT(int i) {
return i++;
}
@TestMe(POSTFIX_DECREMENT)
public int test_POSTFIX_DECREMENT(int i) {
return i--;
}
@TestMe(PREFIX_INCREMENT)
public int test_PREFIX_INCREMENT(int i) {
return ++i;
}
@TestMe(PREFIX_DECREMENT)
public int test_PREFIX_DECREMENT(int i) {
return --i;
}
@TestMe(UNARY_PLUS)
public int test_UNARY_PLUS(int i) {
return +i;
}
@TestMe(UNARY_MINUS)
public int test_UNARY_MINUS(int i) {
return -i;
}
@TestMe(BITWISE_COMPLEMENT)
public int test_BITWISE_COMPLEMENT(int i) {
return ~i;
}
@TestMe(LOGICAL_COMPLEMENT)
public boolean test_LOGICAL_COMPLEMENT(boolean b) {
return !b;
}
@TestMe(MULTIPLY)
public int test_MULTIPLY(int i, int j) {
return i * j;
}
@TestMe(DIVIDE)
public int test_DIVIDE(int i, int j) {
return i / j;
}
@TestMe(REMAINDER)
public int test_REMAINDER(int i, int j) {
return i % j;
}
@TestMe(PLUS)
public int test_PLUS(int i, int j) {
return i + j;
}
@TestMe(MINUS)
public int test_MINUS(int i, int j) {
return i - j;
}
@TestMe(LEFT_SHIFT)
public int test_LEFT_SHIFT(int i, int j) {
return i << j;
}
@TestMe(RIGHT_SHIFT)
public int test_RIGHT_SHIFT(int i, int j) {
return i >> j;
}
@TestMe(UNSIGNED_RIGHT_SHIFT)
public int test_UNSIGNED_RIGHT_SHIFT(int i, int j) {
return i >>> j;
}
@TestMe(LESS_THAN)
public boolean test_LESS_THAN(int i, int j) {
return i < j;
}
@TestMe(GREATER_THAN)
public boolean test_GREATER_THAN(int i, int j) {
return i > j;
}
@TestMe(LESS_THAN_EQUAL)
public boolean test_LESS_THAN_EQUAL(int i, int j) {
return i <= j;
}
@TestMe(GREATER_THAN_EQUAL)
public boolean test_GREATER_THAN_EQUAL(int i, int j) {
return i >= j;
}
@TestMe(EQUAL_TO)
public boolean test_EQUAL_TO(int i, int j) {
return i == j;
}
@TestMe(NOT_EQUAL_TO)
public boolean test_NOT_EQUAL_TO(int i, int j) {
return i != j;
}
@TestMe(AND)
public boolean test_AND(boolean a, boolean b) {
return a & b;
}
@TestMe(XOR)
public boolean test_XOR(boolean a, boolean b) {
return a ^ b;
}
@TestMe(OR)
public boolean test_OR(boolean a, boolean b) {
return a | b;
}
@TestMe(CONDITIONAL_AND)
public boolean test_CONDITIONAL_AND(boolean a, boolean b) {
return a && b;
}
@TestMe(CONDITIONAL_OR)
public boolean test_CONDITIONAL_OR(boolean a, boolean b) {
return a || b;
}
@TestMe(MULTIPLY_ASSIGNMENT)
public int test_MULTIPLY_ASSIGNMENT(int i, int j) {
return i *= j;
}
@TestMe(DIVIDE_ASSIGNMENT)
public int test_DIVIDE_ASSIGNMENT(int i, int j) {
return i /= j;
}
@TestMe(REMAINDER_ASSIGNMENT)
public int test_REMAINDER_ASSIGNMENT(int i, int j) {
return i %= j;
}
@TestMe(PLUS_ASSIGNMENT)
public int test_PLUS_ASSIGNMENT(int i, int j) {
return i += j;
}
@TestMe(MINUS_ASSIGNMENT)
public int test_MINUS_ASSIGNMENT(int i, int j) {
return i -= j;
}
@TestMe(LEFT_SHIFT_ASSIGNMENT)
public int test_LEFT_SHIFT_ASSIGNMENT(int i, int j) {
return i <<= j;
}
@TestMe(RIGHT_SHIFT_ASSIGNMENT)
public int test_RIGHT_SHIFT_ASSIGNMENT(int i, int j) {
return i >>= j;
}
@TestMe(UNSIGNED_RIGHT_SHIFT_ASSIGNMENT)
public int test_UNSIGNED_RIGHT_SHIFT_ASSIGNMENT(int i, int j) {
return i >>>= j;
}
@TestMe(AND_ASSIGNMENT)
public boolean test_AND_ASSIGNMENT(boolean a, boolean b) {
return a &= b;
}
@TestMe(XOR_ASSIGNMENT)
public boolean test_XOR_ASSIGNMENT(boolean a, boolean b) {
return a ^= b;
}
@TestMe(OR_ASSIGNMENT)
public boolean test_OR_ASSIGNMENT(boolean a, boolean b) {
return a |= b;
}
@TestMe(INT_LITERAL)
public Object test_INT_LITERAL() {
return 0;
}
@TestMe(LONG_LITERAL)
public Object test_LONG_LITERAL() {
return 0L;
}
@TestMe(FLOAT_LITERAL)
public Object test_FLOAT_LITERAL() {
return 0.0F;
}
@TestMe(DOUBLE_LITERAL)
public Object test_DOUBLE_LITERAL() {
return 0.0;
}
@TestMe(BOOLEAN_LITERAL)
public Object test_BOOLEAN_LITERAL() {
return true;
}
@TestMe(CHAR_LITERAL)
public Object test_CHAR_LITERAL() {
return 'a';
}
@TestMe(STRING_LITERAL)
public Object test_STRING_LITERAL() {
return "a";
}
@TestMe(NULL_LITERAL)
public Object test_NULL_LITERAL() {
return null;
}
@TestMe(UNBOUNDED_WILDCARD)
public Set<?> test_UNBOUNDED_WILDCARD() {
return null;
}
@TestMe(EXTENDS_WILDCARD)
public Set<? extends Number> test_EXTENDS_WILDCARD() {
return null;
}
@TestMe(SUPER_WILDCARD)
public Set<? super Number> test_SUPER_WILDCARD() {
return null;
}
public boolean process(Set<? extends TypeElement> annotations,
RoundEnvironment roundEnvironment)
{
final Trees trees = Trees.instance(processingEnv);
final Messager log = processingEnv.getMessager();
final Elements elements = processingEnv.getElementUtils();
class Scan extends ElementScanner6<Void,Void> {
@Override
public Void visitExecutable(ExecutableElement e, Void p) {
Object debug = e; // info for exception handler
try {
TestMe info = e.getAnnotation(TestMe.class);
if (info == null)
return null;
Tree.Kind kind = info.value();
MethodTree node = trees.getTree(e);
debug = node;
Tree testNode;
switch (kind) {
case UNBOUNDED_WILDCARD:
case EXTENDS_WILDCARD:
case SUPER_WILDCARD:
ParameterizedTypeTree typeTree;
typeTree = (ParameterizedTypeTree) node.getReturnType();
testNode = typeTree.getTypeArguments().get(0);
break;
default:
ReturnTree returnNode;
returnNode = (ReturnTree) node.getBody().getStatements().get(0);
testNode = returnNode.getExpression();
}
if (testNode.getKind() != kind) {
log.printMessage(ERROR, testNode.getKind() + " != " + kind, e);
throw new AssertionError(testNode);
}
System.err.format("OK: %32s %s%n", kind, testNode);
} catch (Error ex) {
System.err.println("Error while looking at " + debug);
throw ex;
}
return null;
}
}
Scan scan = new Scan();
for (Element e : roundEnvironment.getRootElements()) {
scan.scan(e);
}
return true;
}
}